CN210270931U - Wireless fingerprint collection photographing system - Google Patents

Abstract

The utility model discloses a wireless fingerprint collection photographing system, which comprises a fingerprint collection instrument and a display, wherein a fingerprint photographing system client APP which can be wirelessly connected with the fingerprint collection instrument is arranged in the display, and a WIFI module is arranged in the fingerprint collection instrument; the fingerprint acquisition instrument comprises a hollow cylindrical shell, and the WIFI module is arranged in the hollow cylindrical shell; the hollow cylindrical shell is also provided with an MCU module, a video acquisition module, a storage module and a power supply module, the MCU module is the general control unit of the fingerprint acquisition instrument, and the WIFI module, the video acquisition module and the storage module are all electrically connected with the MCU module; use the utility model discloses the time, because fingerprint collection appearance is small, the quality is light, so can be convenient leave over the scene fingerprint of passenger side, bottom surface or eminence to the crime scene and shoot and draw, when the shooting light source is not enough to need the light filling, accessible LED light source board carries out the light filling, does not need extra light filling device.

Description

Wireless fingerprint collection photographing system

Technical Field

The utility model relates to a fingerprint collection technical field specifically is a wireless fingerprint collection system of shooing.

Background

When evidence is obtained at a crime scene, fingerprints and traces need to be collected, equipment facilities such as a camera, an external supplementary lighting source, a tripod and the like need to be used for collecting the fingerprints and the traces at the crime scene in the prior art, and the equipment facilities need to be arranged and assembled, so that the use is very inconvenient. And the shooting and extraction of fingerprints on the scene left on the side, the bottom or the high position of the object in the crime scene are very difficult. Therefore, the existing fingerprint collection and photographing system for collecting fingerprints and traces on the crime scene has the following problems: 1. the volume is large, and the carrying and the storage are inconvenient; 2. the equipment is difficult to split and combine, and the acquisition scene is single.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wireless fingerprint collection system of shooing aims at improving the current fingerprint collection system of shooing that is used for the crime scene to carry out fingerprint, vestige collection and exists and carry greatly and accomodate inconveniently, equipment components of a whole that can function independently makes up the difficulty, gathers the problem that the sight is single moreover.

The utility model discloses a realize like this: a wireless fingerprint collection photographing system comprises a fingerprint collection instrument and a display, wherein a fingerprint photographing system client APP capable of being wirelessly connected with the fingerprint collection instrument is arranged in the display, a WIFI module is arranged in the fingerprint collection instrument, and the fingerprint collection instrument is electrically connected with the fingerprint photographing system client APP through the WIFI module; the fingerprint acquisition instrument comprises a hollow cylindrical shell, the upper end and the lower end of the hollow cylindrical shell are both provided with openings, and the WIFI module is arranged in the hollow cylindrical shell; the fingerprint acquisition instrument is characterized in that the hollow cylindrical shell is also internally provided with an MCU module, a video acquisition module, a storage module and a power module, the MCU module is a general control unit of the fingerprint acquisition instrument, the WIFI module, the video acquisition module and the storage module are electrically connected with the MCU module, and the power module is electrically connected with each power consumption part of the fingerprint acquisition instrument and used for supplying power to each power consumption part of the fingerprint acquisition instrument; the video acquisition module comprises a camera module and an LED light source plate, a lens of the camera module is positioned at the lower port of the hollow cylindrical shell, the LED light source plate is also arranged at the lower port of the hollow cylindrical shell and positioned at the upper side of the lens, the LED light source plate is used for supplementing light for the camera module, and the storage module is used for storing information shot and acquired by the camera module; the upper port of the hollow cylindrical shell is provided with a panel, and the panel is provided with a power switch, an LED light source control switch and a manual shooting key.

Further, the LED light source board is of a wafer-shaped structure, a plurality of same standard light source groups are uniformly arranged at the outer circle end of the LED light source board along the circumferential direction of the LED light source board, each standard light source group comprises a plurality of LED lamps emitting standard light sources, and the distance between the lens and each LED lamp is equal.

Further, the standard light source group comprises five LED lamps emitting standard light sources, which are respectively white, purple, blue, green and red.

Further, a light source switching module is further arranged in the hollow cylindrical shell, the LED light source board is electrically connected with the MCU module through the light source switching module, the LED light source control switch comprises an LED light source selection key, and the LED light source selection key is electrically connected with the light source switching module.

Further, a light source brightness adjusting module is further arranged in the hollow cylindrical shell, the LED light source board is electrically connected with the MCU module through the light source brightness adjusting module, the LED light source control switch further comprises an LED light brightness adjusting knob, and the LED light brightness adjusting knob is electrically connected with the light source brightness adjusting module

Further, a USB interface circuit is further arranged in the hollow cylindrical shell, a USB interface and a USB function selection switch are arranged on the panel, and the USB interface and the USB function selection switch are electrically connected with the MCU module through the USB interface circuit.

Further, the power module comprises a storage battery, a charging circuit and a booster circuit, the storage battery is electrically connected with the MCU module through the charging circuit and the booster circuit, and the USB interface is electrically connected with the charging circuit and the booster circuit.

Furthermore, still be provided with HDMI interface circuit in the hollow tube-shape casing, be provided with the HDMI interface on the panel, the HDMI interface passes through HDMI interface circuit and MCU module electrical property links to each other.

Further, the storage module comprises an SD card, and the SD card is electrically connected with the MCU module through an SD card interface circuit.

Further, still be provided with operating condition pilot lamp on the panel, operating condition pilot lamp is including charging charge pilot lamp, operating indicator lamp, battery status indicator lamp.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the utility model is used, the fingerprint acquisition instrument can be held by one hand, the display can be held by one hand, the picture information shot by the camera module of the fingerprint acquisition instrument can be watched by the display at any time, and the shot fingerprint picture can be conveniently, timely and accurately sized and stored; because the fingerprint collection appearance is small, the quality is light, so can be convenient leave over the scene fingerprint of passenger side, bottom surface or eminence to the crime scene and shoot and draw, when the shooting light source is not enough to need the light filling, accessible LED light source board carries out the light filling, does not need extra light filling device.

2. The LED light source plate of the fingerprint acquisition instrument is of a wafer-shaped structure, a plurality of same standard light source groups are uniformly arranged at the outer circle end of the LED light source plate along the circumferential direction of the LED light source plate, each standard light source group comprises a plurality of LED lamps emitting standard light sources, and the distances between a lens and each LED lamp are equal; so the utility model discloses a fingerprint collection appearance provides multiple colour standard light source and carries out the light filling for the shooting of the module of making a video recording, has reduced the utility model discloses to service environment's requirement, improved the utility model discloses an application scope has improved the degree of accuracy that the module of making a video recording was shot.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a block diagram of a system structure of a wireless fingerprint collection photographing system of the present invention;

fig. 2 is a top view of the fingerprint collecting instrument in the wireless fingerprint collecting and photographing system of the present invention;

fig. 3 is a side view of the fingerprint collecting instrument in the wireless fingerprint collecting and photographing system of the present invention;

fig. 4 is a bottom view of the fingerprint collecting device in the wireless fingerprint collecting and photographing system of the present invention;

fig. 5 is a circuit diagram of the MCU module of the fingerprint collecting device in the wireless fingerprint collecting and photographing system of the present invention;

fig. 6 is a circuit diagram of an SD card interface of a fingerprint acquisition instrument in the wireless fingerprint acquisition photographing system of the present invention;

fig. 7 is a charging circuit and a voltage boosting circuit diagram of the fingerprint collecting instrument in the wireless fingerprint collecting and photographing system of the utility model;

fig. 8 is a circuit diagram of a light source switching module of a fingerprint acquisition instrument in the wireless fingerprint acquisition photographing system of the present invention;

fig. 9 is a circuit diagram of a light source brightness adjusting module of a fingerprint collecting instrument in the wireless fingerprint collecting and photographing system of the present invention;

fig. 10 is a circuit diagram of a USB interface of a fingerprint collecting device in the wireless fingerprint collecting and photographing system of the present invention;

fig. 11 is a circuit diagram of an HDMI interface of a fingerprint acquisition instrument in the wireless fingerprint acquisition photographing system of the present invention;

fig. 12 is the utility model relates to a module interface circuit diagram of making a video recording of appearance is gathered to fingerprint among wireless fingerprint collection photographing system.

In the figure: 100. a fingerprint acquisition instrument; 200. a display; 1. a hollow cylindrical housing; 2. an LED light source plate; 3. a lens; 4. a panel; 5. a working state indicator light; 6. a power switch; 7. a manual shooting button; 8. a standard light source group; 9. an LED light source selection key; 10. an LED light brightness adjusting knob; 11. a USB interface; 12. a USB function selection switch; 13. an HDMI interface.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 12, in an embodiment of the present invention, a wireless fingerprint capturing and photographing system includes a fingerprint capturing device 100 and a display 200, wherein the display 200 is sized to be hand-held, and the display 200 is sized between 5 inches and 7 inches, for example, the display 200 may be a 5-inch mobile phone; a fingerprint photographing system client APP wirelessly connected with the fingerprint acquisition instrument 100 is arranged in the display 200, a WIFI module is arranged in the fingerprint acquisition instrument 100, and the fingerprint acquisition instrument 100 is electrically connected with the fingerprint photographing system client APP through the WIFI module; the fingerprint acquisition instrument 100 comprises a hollow cylindrical shell 1, wherein the upper end and the lower end of the hollow cylindrical shell 1 are both provided with openings, and a WIFI module is arranged in the hollow cylindrical shell 1; still be provided with MCU module, video acquisition module, storage module and power module in hollow tube-shape casing 1, the MCU module is the utility model discloses a fingerprint collection appearance's total accuse unit uses STM32F101C8T6 singlechip, WIFI module, video acquisition module and storage module all link to each other with MCU module electrical property, power module and fingerprint collection appearance respectively use electrical component electrical property to link to each other, be used for giving the utility model discloses each use electrical component power supply, power module includes battery, charging circuit and boost circuit, the battery passes through charging circuit and boost circuit and links to each other with MCU module electrical property, USB interface 11 links to each other with charging circuit and boost circuit electrical property; the video acquisition module comprises a camera module and an LED light source plate 2, wherein the camera module is electrically connected with the MCU module through a camera module interface circuit, a lens 3 of the camera module is positioned at the lower port of the hollow cylindrical shell 1, the LED light source plate 2 is also arranged at the lower port of the hollow cylindrical shell 1 and positioned at the upper side of the lens 3, the LED light source plate 2 is used for supplementing light for the camera module, a storage module is used for storing information shot and acquired by the camera module, a storage element of the storage module selects an SD card or an SDHC card, and the SD card or the SDHC card is electrically connected with the MCU module through an SD card interface circuit; a panel 4 is arranged at the upper port of the hollow cylindrical shell 1, and a power switch 6, an LED light source control switch and a manual shooting key 7 are arranged on the panel 4.

The utility model discloses a use method and theory of operation: the power switch 6 is turned on, the fingerprint acquisition instrument 100 is in wireless data connection with a fingerprint photographing system client APP in the display 200 through the WIFI module, the lens 3 is aligned to an object to be subjected to fingerprint acquisition, such as a door handle, a cabinet body, a tea table, a wine bottle, a sofa surface, a table top and the like are all objects, the fingerprint acquisition instrument 100 is moved along the surface of the object, the display 200 displays the picture information acquired by the lens 3 in real time, when a fingerprint picture is displayed on the display 200, the manual photographing key 7 is pressed, the fingerprint picture is photographed and acquired, and the fingerprint picture is stored in a storage module of the fingerprint acquisition instrument 100 and the fingerprint photographing system client APP; if the picture that shows on display 200 is unclear, accessible LED light source control switch carries out the control of LED light source board 2, carries out the light filling for the shooting of the module of making a video recording for the picture of shooing is clear.

When the utility model is used, the fingerprint acquisition instrument 100 can be held by one hand, the display 200 can be held by one hand, the picture information shot by the camera module of the fingerprint acquisition instrument 100 can be watched by the display 200 at any time, and the shot fingerprint picture can be conveniently, timely and accurately sized and stored; because fingerprint collection appearance 100 is small, the quality is light, so can be convenient leave over the scene fingerprint of passenger side, bottom surface or eminence to the crime scene and shoot and draw, when the shooting light source is not enough to need the light filling, accessible LED light source board 2 carries out the light filling, does not need extra light filling device.

Therefore, the utility model discloses can replace current fingerprint collection photographing system that is used for the crime scene to carry out fingerprint, vestige collection, it is inconvenient that the volume of having solved its existence carries greatly and accomodates, and equipment components of a whole that can function independently makes up the difficulty, gathers the problem that the sight is single moreover.

Referring to fig. 4, in the embodiment of the present invention, the LED light source plate 2 of the fingerprint collecting device 100 is a circular structure, a plurality of identical standard light source groups 8 are uniformly arranged at the outer circumference end of the LED light source plate 2 along the circumferential direction, each standard light source group 8 includes a plurality of LED lamps emitting standard light sources, and the distances between the lens 3 and each LED lamp are equal; in this embodiment, five identical standard light source groups 8 are disposed on the LED light source board 2, and each standard light source group 8 includes five LED lamps emitting standard light sources, which are respectively white, purple, blue, green and red; therefore the utility model discloses a fingerprint collection appearance 100 provides five kinds of colour standard light sources and carries out the light filling for the shooting of the module of making a video recording, has reduced the utility model discloses to service environment's requirement, improved the utility model discloses an application scope has improved the degree of accuracy that the module of making a video recording was shot.

Referring to fig. 1, fig. 2, fig. 8 and fig. 9, in an embodiment of the present invention, a hollow cylindrical casing 1 of the fingerprint acquisition instrument 100 is further provided with a light source switching module and a light source brightness adjusting module, and the LED light source board 2 is electrically connected to the MCU module through the light source switching module and the light source brightness adjusting module; the LED light source control switch arranged on the panel 4 comprises an LED light source selection button 9 and an LED light brightness adjusting knob 10, the LED light source selection button 9 is electrically connected with the light source switching module, the light source switching module comprises a light source switching circuit, and the LED light source selection button 9 is electrically connected with the MCU module through the light source switching circuit; the LED light brightness adjusting knob 10 is electrically connected with the light source brightness adjusting module, the light source brightness adjusting module comprises a light source brightness driving circuit, and the LED light brightness adjusting knob 10 is electrically connected with the MCU module through the light source brightness driving circuit; the fingerprint acquisition instrument 100 of the utility model can select the standard light source through the LED light source selection button 9, and press and change the standard light source with different colors once, and the standard light sources with different colors are sequentially and alternately changed; the utility model discloses accessible fingerprint collection appearance 100's LED light brightness control knob 10 is adjusted the luminance of the standard light source of selection to adapt to the light filling needs of different environment.

Referring to fig. 1, fig. 2 and fig. 10, in the embodiment of the present invention, a USB interface circuit is further disposed in the hollow cylindrical housing 1 of the fingerprint collecting instrument 100, a USB interface 11 and a USB function selecting switch 12 are disposed on the panel 4, and the USB interface 11 and the USB function selecting switch 12 are electrically connected to the MCU module through the USB interface circuit; can select through USB function selector switch 12 will the utility model discloses a fingerprint collection appearance 100 establishes to the USB flash disk function, uses the computer to read the utility model discloses a file data among the fingerprint collection appearance 100 also can select to establish fingerprint collection appearance 100 to computer high definition digtal camera function, uses the computer to gather fingerprint data after linking to each other with the computer, and USB interface 11 also is the interface that charges of battery moreover.

Please refer to fig. 1, fig. 2 and fig. 11, in the embodiment of the present invention, the hollow cylindrical casing 1 of the fingerprint collecting device 100 is further provided with an HDMI interface circuit, the panel 4 is provided with an HDMI interface 13, the HDMI interface 13 is electrically connected with the MCU module through the HDMI interface circuit, and the HDMI interface display device can be connected through the HDMI interface 13.

Please refer to fig. 1 and fig. 2, in the embodiment of the present invention, the panel 4 is further provided with a working status indicator lamp 5, the working status indicator lamp 5 is electrically connected to the MCU module, and the working status indicator lamp 5 includes a charging indicator lamp, a working indicator lamp and a battery status indicator lamp, for displaying various working statuses of the fingerprint collecting device 100.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a wireless fingerprint collection system of shooing which characterized in that: the fingerprint photographing system comprises a fingerprint acquisition instrument (100) and a display (200), wherein a fingerprint photographing system client APP capable of being wirelessly connected with the fingerprint acquisition instrument (100) is arranged in the display (200), a WIFI module is arranged in the fingerprint acquisition instrument (100), and the fingerprint acquisition instrument (100) is electrically connected with the fingerprint photographing system client APP through the WIFI module; the fingerprint acquisition instrument (100) comprises a hollow cylindrical shell (1), the upper end and the lower end of the hollow cylindrical shell (1) are both provided with openings, and the WIFI module is arranged in the hollow cylindrical shell (1); the fingerprint acquisition device is characterized in that the hollow cylindrical shell (1) is also internally provided with an MCU module, a video acquisition module, a storage module and a power supply module, the MCU module is a master control unit of the fingerprint acquisition device (100), the WIFI module, the video acquisition module and the storage module are electrically connected with the MCU module, and the power supply module is electrically connected with all power utilization parts of the fingerprint acquisition device and used for supplying power to all power utilization parts of the fingerprint acquisition device (100); the video acquisition module comprises a camera module and an LED light source plate (2), a lens (3) of the camera module is positioned at the lower port of the hollow cylindrical shell (1), the LED light source plate (2) is also arranged at the lower port of the hollow cylindrical shell (1) and positioned at the upper side of the lens (3), the LED light source plate (2) is used for supplementing light for the camera module, and the storage module is used for storing information shot and acquired by the camera module; the portable LED photographing device is characterized in that a panel (4) is arranged at the upper port of the hollow cylindrical shell (1), and a power switch (6), an LED light source control switch and a manual photographing key (7) are arranged on the panel (4).

2. The wireless fingerprint collection photographing system according to claim 1, wherein the LED light source plate (2) is of a disc-shaped structure, a plurality of identical standard light source groups (8) are uniformly arranged at the outer circle end of the LED light source plate (2) along the circumferential direction of the LED light source plate, each standard light source group (8) comprises a plurality of LED lamps emitting standard light sources, and the distance between the lens (3) and each LED lamp is equal.

3. The wireless fingerprint collection photographing system of claim 2, wherein the standard light source group (8) comprises five LED lamps emitting standard light sources, which are respectively white, purple, blue, green and red.

4. The wireless fingerprint collection photographing system according to claim 3, wherein a light source switching module is further arranged in the hollow cylindrical shell (1), the LED light source board (2) is electrically connected with the MCU module through the light source switching module, the LED light source control switch comprises an LED light source selection key (9), and the LED light source selection key (9) is electrically connected with the light source switching module.

5. The wireless fingerprint collection photographing system according to claim 4, wherein a light source brightness adjustment module is further arranged in the hollow cylindrical shell (1), the LED light source board (2) is electrically connected with the MCU module through the light source brightness adjustment module, the LED light source control switch further comprises an LED light brightness adjustment knob (10), and the LED light brightness adjustment knob (10) is electrically connected with the light source brightness adjustment module.

6. The wireless fingerprint collection photographing system according to claim 1, wherein a USB interface circuit is further arranged in the hollow cylindrical shell (1), the panel (4) is provided with a USB interface (11) and a USB function selection switch (12), and the USB interface (11) and the USB function selection switch (12) are electrically connected with the MCU module through the USB interface circuit.

7. The wireless fingerprint collection and photographing system according to claim 6, wherein the power module comprises a storage battery, a charging circuit and a voltage boosting circuit, the storage battery is electrically connected with the MCU module through the charging circuit and the voltage boosting circuit, and the USB interface (11) is electrically connected with the charging circuit and the voltage boosting circuit.

8. The wireless fingerprint collection photographing system according to claim 1, wherein an HDMI interface circuit is further arranged in the hollow cylindrical shell (1), an HDMI interface (13) is arranged on the panel (4), and the HDMI interface (13) is electrically connected with the MCU module through the HDMI interface circuit.

9. The wireless fingerprint collection photographing system of any one of claims 1 to 8, wherein the storage module comprises an SD card, and the SD card is electrically connected with the MCU module through an SD card interface circuit.

10. The wireless fingerprint collection photographing system according to any one of claims 1 to 8, wherein a working status indicator lamp (5) is further disposed on the panel (4), and the working status indicator lamp (5) comprises a charging indicator lamp, a working indicator lamp and a battery status indicator lamp.

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